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Sega H1 Board

Manufacturer: Sega

Release	Date	RRP	Code

The Sega H1 Board is an arcade board made by Sega. Released in 1995, it was a successor to the Sega System 32 and was the last Super Scaler arcade system board (using sprite/texture scaling for three-dimensional graphics). Hardware-wise, it crosses the bridge between the System 32 and the Sega Model 1 and Model 2. The H1 Board also uses hardware similar to the Sega Saturn and ST-V. Only two games are known to use the H1 Board.

Specifications

Technical specifications for the Sega H1 Board:^[1]^[2]

Board composition: CPU Board, Video Board, Communication Board, ROM Board
Main CPU: Hitachi SH-2 @ 28.63636 MHz (32-bit, 28.63636 MIPS)^[3]
Sub-CPU: Hitachi SH-1 @ 16 MHz (32-bit, 16 MIPS)^[3]
Communication Board controllers:
- Data Link controller: Fujitsu MB89374 Data Link Controller (8-Bit)^[4]
- DMA controller: Fujitsu MB89237A DMAC (8-Bit)^[5]

Sound

Sound CPU: Toshiba TMP68HC000N @ 16 MHz (16/32-bit, 2.8 MIPS)
Sound processors: 2× Yamaha YMF292 (SCSP)^[6]
- Sound DSP: 2× Yamaha FH1 DSP (Digital Signal Processor) @ 22.579 MHz (24-bit, 128-step, 8 parallel instructions)
- Bus width: 48-bit (2× 24-bit) internal, 32-bit (2× 16-bit) external^[7]
- Audio channels: 64 (2× 32)
- Sound formats: PCM, FM, MIDI, LFO
- PCM sampling: 8/16‑bit audio depth, 44.1 kHz sampling sate (CD quality)
Sound output: 4 speakers (surround sound)

Graphics

GPU: Sega 837-9621 Video Board @ 50 MHz
- Hitachi FPGA: HG62S0791R17F, HG51B152FD, 2× HG62G019R16F
- Sega Custom QFP: 315‑5694, 315‑5697, 315‑5698, 4× 315‑5648, 2× 315‑5695, 2× 315‑5696
- Bus width: 160‑bit (2× 80‑bit buses)
- Memory access: VRAM (Video RAM), VROM (Video ROM), DMA, loads sprites/textures directly from VROM at high bandwidth
- Sprites/Textures: RLE compression, 8 color blending levels, Z-buffering,^[8] blitter, sprite/texture cache, variable sprite/texture sizes, scaling/zooming, rotation, distortion, horizontal & vertical flipping, digitized sprites
- Backgrounds: Tilemap & bitmap backgrounds, scrolling,^[9] zooming, rotation, distortion, tile flipping
Display: 2-4 monitors, progressive scan
Display resolution:
- 2 monitors: 640×224 to 992×384 (320×224 to 496×384 per monitor)
- 4 monitors: 1280×224 to 1280×240 (320×224 to 320×240 per monitor)
Overscan resolution:
- 2 monitors: 640×224 to 1280×512 (320×224 to 640×512 per monitor)
- 4 monitors: 1280×224 to 1824×262 (320×224 to 456×262 per monitor)
Refresh rate: 57.0426 to 60 Hz
- Frame rate: 57.0426 to 60 frames/sec
Color depth: 262,144 (18‑bit) to 16,777,216 (24/32‑bit)
- Colors per sprite: 32,768 (15‑bit color) to 262,144 (15-bit color, 8 blending levels)^[8]
Sprite/Texture fillrate: 100 million pixels/texels per second (50 million per monitor)
- Maximum pixels/texels per frame: 1,753,074 (57.0426 Hz)
- Maximum pixels/texels per scanline: 7826 (224p resolution)
Sprites/Textures per frame: 16,384 (768 KB object data memory, 48 bytes per object)
- Maximum sprites/textures per second: 983,040 (60 Hz)
- Maximum sprites/textures per scanline: 978 (8‑pixel width each)

Memory

Memory: Up to 94.3 MB (6276 KB main, 85.125 MB video, 3 MB sound)
System RAM: 8452 KB (8.254 MB)
- Main RAM: 2180 KB (2 MB SDRAM, 128 KB SRAM, 4 KB FRAM)
- VRAM: 5.125 MB (2.25 MB FPRAM, 2 MB DRAM, 896 KB SRAM)
- Sound RAM: 1 MB (DRAM)
System ROM: 1 MB (EPROM)
Game ROM: Up to 85 MB
- Main ROM: 3 MB (EPROM)
- VROM: 80 MB (MROM)
- Sound ROM: 2 MB

Bandwidth

System RAM bandwidth: 574.4 MB/sec
- Main RAM: 114.54544 MB/sec (32-bit, 28.63636 MHz)^[10]
- VRAM: 444.444444 MB/sec (160-bit, 22.222222 MHz)^[11]
- Sound RAM: 15.384615 MB/sec (16-bit, 7.692308 MHz)^[12]
System ROM bandwidth: 57.3 MB/sec (16-bit, 28.63636 MHz)^[13]
Game ROM bandwidth: 799.7 MB/sec^[14]
- Main ROM: 114.54544 MB/sec (32-bit, 28.63636 MHz)^[15]
- VROM: 640 MB/sec (160-bit, 32 MHz)
- Sound ROM: 45.158 MB/sec (16-bit, 22.579 MHz)

Softography

Cool Riders (1995)
Aqua Stage (1995)^[16]

References

Sega arcade boards
Originating in arcades
77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 VIC Dual G80 Zaxxon VCO Object System 1 LaserDisc Appoooh Hang-On System 2 System 16 OutRun Gigas X Board Y Board System 24 System 18 System 32 Model 1 Model 2 H1 Board Model 3
Console-based hardware
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 SG-1000 System E System C Mega-Tech System Mega Play Sega Titan Video NAOMI Hikaru NAOMI 2 Atomiswave System SP Chihiro Triforce
PC-based hardware
05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Lindbergh Europa-R RingEdge RingWide RingEdge 2 Nu Nu 1.1 Nu 2 ALLS

[https:.2F.2Fgithub.com.2Fmamedev.2Fmame.2Fblob.2Fmaster.2Fsrc.2Fmame.2Fdrivers.2Fcoolridr.cpp-1] ttps://github.com/mamedev/mame/blob/master/src/mame/drivers/coolridr.cpp

[http:.2F.2Fwww.google.com.2Fpatents.2FUS6141122-2] ttp://www.google.com/patents/US6141122

[:File:Hitachi_SuperH_Programming_Manual.pdf_p-3] 3.0 ^3.1 File:Hitachi SuperH Programming Manual.pdf

[:File:MB89374_datasheet.pdf_p-4] File:MB89374 datasheet.pdf

[:File:MB89396_datasheet.pdf_p-5] File:MB89396 datasheet.pdf

[:File:ST-077-R2-052594.pdf_p-6] File:ST-077-R2-052594.pdf

[:File:Sega_Service_Manual_-_Sega_Saturn_.28PAL.29_-_013-1_-_June_1995.pdf_p-7] File:Sega Service Manual - Sega Saturn (PAL) - 013-1 - June 1995.pdf

[http:.2F.2Fmamedev.emulab.it.2Fhaze.2F2013.2F02.2F28.2Fdoes-it-blend.2F-8] 8.0 ^8.1 http://mamedev.emulab.it/haze/2013/02/28/does-it-blend/

[http:.2F.2Fmamedev.emulab.it.2Fhaze.2F2013.2F02.2F19.2Fstill-too-cool-for-mamedev.2F-9] ttp://mamedev.emulab.it/haze/2013/02/19/still-too-cool-for-mamedev/

[:File:HM5241605_datasheet.pdf_p-10] File:HM5241605 datasheet.pdf

[:File:M5M411860TP_datasheet.pdf_p-11] File:M5M411860TP datasheet.pdf

[:File:HM514270_datasheet.pdf_p-12] File:HM514270 datasheet.pdf

[:File:TC57H1025_datasheet.pdf_p-13] File:TC57H1025 datasheet.pdf

[https:.2F.2Fgithub.com.2Fmamedev.2Fhistoric-mame.2Fblob.2Fmaster.2Fsrc.2Fmame.2Fdrivers.2Fcoolridr.c-14] ttps://github.com/mamedev/historic-mame/blob/master/src/mame/drivers/coolridr.c

[:File:M27C4002_datasheet.pdf_p-15] File:M27C4002 datasheet.pdf

[http:.2F.2Fmamedev.emulab.it.2Fhaze.2F2015.2F07.2F29.2Fmame-0-164-some-highlights.2F-16] ttp://mamedev.emulab.it/haze/2015/07/29/mame-0-164-some-highlights/

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@@ Line 12: / Line 12: @@
 | internal_games=
 | releases={{releases
-| arcade_date_world=1995-04 {{fileref|CoolRiders Arcade JP Flyer.jpg}}
+| arcade_date_world=1995-04{{fileref|CoolRiders Arcade JP Flyer.jpg}}
 | arcade_code_world=[https://github.com/mamedev/mame/blob/master/src/mame/drivers/coolridr.cpp 837-10389]
 }}
@@ Line 22: / Line 22: @@
 * Board composition: CPU Board, Video Board, Communication Board, ROM Board
-* Main CPU: [[SH-2|Hitachi SH-2]] @ 28.63636&nbsp;MHz (32-bit, 28.63636&nbsp;[[wikipedia:Instructions per second|MIPS]]) {{fileref|Hitachi SuperH Programming Manual.pdf}}
+* Main CPU: [[SH-2|Hitachi SH-2]] @ 28.63636&nbsp;MHz (32-bit, 28.63636&nbsp;[[wikipedia:Instructions per second|MIPS]]){{fileref|Hitachi SuperH Programming Manual.pdf}}
-* Sub-CPU: [[SuperH|Hitachi SH-1]] @ 16&nbsp;MHz (32-bit, 16&nbsp;MIPS) {{fileref|Hitachi SuperH Programming Manual.pdf}}
+* Sub-CPU: [[SuperH|Hitachi SH-1]] @ 16&nbsp;MHz (32-bit, 16&nbsp;MIPS){{fileref|Hitachi SuperH Programming Manual.pdf}}
 * Communication Board controllers:
-** [[wikipedia:Data Link Control|Data Link controller]]: [[Fujitsu]] MB89374 Data Link Controller (8-Bit) {{fileref|MB89374 datasheet.pdf}}
+** [[wikipedia:Data Link Control|Data Link controller]]: [[Fujitsu]] MB89374 Data Link Controller (8-Bit){{fileref|MB89374 datasheet.pdf}}
-** [[wikipedia:DMA controller|DMA controller]]: Fujitsu MB89237A DMAC (8-Bit) {{fileref|MB89396 datasheet.pdf}}
+** [[wikipedia:DMA controller|DMA controller]]: Fujitsu MB89237A DMAC (8-Bit){{fileref|MB89396 datasheet.pdf}}
 ===Sound===
 {{multicol|
 * Sound CPU: [[Toshiba EMI|Toshiba]] [[68000|TMP68HC000N]] @ 16&nbsp;MHz (16/32-bit, 2.8&nbsp;MIPS)
-* Sound processors: 2× [[Yamaha]] YMF292 ([[Saturn Custom Sound Processor|SCSP]]) {{fileref|ST-077-R2-052594.pdf}}
+* Sound processors: 2× [[Yamaha]] YMF292 ([[Saturn Custom Sound Processor|SCSP]]){{fileref|ST-077-R2-052594.pdf}}
 ** Sound DSP: 2× Yamaha FH1 DSP (Digital Signal Processor) @ 22.579&nbsp;MHz (24-bit, 128-step, 8 parallel instructions)
-** Bus width: 48-bit (2× 24-bit) internal, 32-bit (2× 16-bit) external {{fileref|Sega Service Manual - Sega Saturn (PAL) - 013-1 - June 1995.pdf}}
+** Bus width: 48-bit (2× 24-bit) internal, 32-bit (2× 16-bit) external{{fileref|Sega Service Manual - Sega Saturn (PAL) - 013-1 - June 1995.pdf}}
 ** Audio channels: 64 (2× 32)
 ** Sound formats: [[Pulse-code modulation|PCM]], [[wikipedia:Frequency modulation synthesis|FM]], [[MIDI]], [[wikipedia:Low-frequency oscillation|LFO]]
@@ Line 85: / Line 85: @@
 {{multicol|
 * System RAM bandwidth: 574.4&nbsp;MB/sec
-** Main RAM: 114.54544&nbsp;MB/sec (32-bit, 28.63636&nbsp;MHz) {{fileref|HM5241605 datasheet.pdf}}
+** Main RAM: 114.54544&nbsp;MB/sec (32-bit, 28.63636&nbsp;MHz){{fileref|HM5241605 datasheet.pdf}}
-** VRAM: 444.444444&nbsp;MB/sec (160-bit, 22.222222&nbsp;MHz) {{fileref|M5M411860TP datasheet.pdf}}
+** VRAM: 444.444444&nbsp;MB/sec (160-bit, 22.222222&nbsp;MHz){{fileref|M5M411860TP datasheet.pdf}}
-** Sound RAM: 15.384615&nbsp;MB/sec (16-bit, 7.692308&nbsp;MHz) {{fileref|HM514270 datasheet.pdf}}
+** Sound RAM: 15.384615&nbsp;MB/sec (16-bit, 7.692308&nbsp;MHz){{fileref|HM514270 datasheet.pdf}}
-* System ROM bandwidth: 57.3&nbsp;MB/sec (16-bit, 28.63636&nbsp;MHz) {{fileref|TC57H1025 datasheet.pdf}}
+* System ROM bandwidth: 57.3&nbsp;MB/sec (16-bit, 28.63636&nbsp;MHz){{fileref|TC57H1025 datasheet.pdf}}
 * Game ROM bandwidth: 799.7&nbsp;MB/sec{{ref|https://github.com/mamedev/historic-mame/blob/master/src/mame/drivers/coolridr.c}}
-** Main ROM: 114.54544&nbsp;MB/sec (32-bit, 28.63636&nbsp;MHz) {{fileref|M27C4002 datasheet.pdf}}
+** Main ROM: 114.54544&nbsp;MB/sec (32-bit, 28.63636&nbsp;MHz){{fileref|M27C4002 datasheet.pdf}}
 ** VROM: 640&nbsp;MB/sec (160-bit, 32&nbsp;MHz)
 ** Sound ROM: 45.158&nbsp;MB/sec (16-bit, 22.579&nbsp;MHz)